CUSIP NO. 71721R 40 6 13G PAGE 18 OF 19 PAGES Exhibit 1 JOINT FILING AGREEMENT In accordance with Rule 13d-1(k)(1) under the Securities Exchange Act of 1934, as amended, the undersigned agree that only one statement containing the information required...Joint Filing Agreement • February 14th, 2006 • North Bridge Venture Partners v a Lp • Services-business services, nec
In accordance with Rule 13d-1(k)(1) under the Securities Exchange Act of 1934, as amended, the undersigned agree that only one statement containing the information required by Schedule 13G need be filed by each of the undersigned with respect to the ownership by each of the undersigned of shares of stock of Phase Forward Incorporated. This Agreement may be executed in any number of counterparts, each of which shall be deemed an original.
